Mark helps his friend Charlie mend the pieces of his broken heart by cleaning out the Storage unit he shared with his ex. When they arrive at the Storage facility, they see his ex and her friend and the four of them come face to face with a much more dangerous presence alone with them. When the power goes out and they are all stuck inside the building, the stage is set for the most horrific overnight anybody'sĀ ever had in a storageĀ unit.